AT89C55WD-24PI vs AT89C55WD-24AC feature comparison

AT89C55WD-24PI Atmel Corporation

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AT89C55WD-24AC Atmel Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ATMEL CORP ATMEL CORP
Part Package Code DIP QFP
Package Description 0.600 INCH, PLASTIC, MS-011AC, DIP-40 10 X 10 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026ACB, TQFP-44
Pin Count 40 44
Reach Compliance Code unknown unknown
HTS Code 8542.31.00.01 8542.31.00.01
Has ADC NO NO
Address Bus Width 16 16
Bit Size 8 8
CPU Family 8051 8051
Clock Frequency-Max 24 MHz 24 MHz
DAC Channels NO NO
DMA Channels NO NO
External Data Bus Width 8 8
JESD-30 Code R-PDIP-T40 S-PQFP-G44
JESD-609 Code e0 e0
Length 52.324 mm 10 mm
Moisture Sensitivity Level 1 3
Number of I/O Lines 32 32
Number of Terminals 40 44
On Chip Program ROM Width 8 8
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
PWM Channels NO NO
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP TQFP
Package Equivalence Code DIP40,.6 TQFP44,.47SQ,32
Package Shape RECTANGULAR SQUARE
Package Style IN-LINE FLATPACK, THIN PROFILE
Qualification Status Not Qualified Not Qualified
RAM (bytes) 256 256
ROM (words) 20480 20480
ROM Programmability FLASH FLASH
Seated Height-Max 4.826 mm 1.2 mm
Speed 24 MHz 24 MHz
Supply Current-Max 25 mA 25 mA
Supply Voltage-Max 5.5 V 5.5 V
Supply Voltage-Min 4 V 4 V
Supply Voltage-Nom 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 0.8 mm
Terminal Position DUAL QUAD
Width 15.24 mm 10 mm
uPs/uCs/Peripheral ICs Type MICROCONTROLLER MICROCONTROLLER
Base Number Matches 1 1
Samacsys Manufacturer Microchip

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